29P/Schwassmann-Wachmann 1

2004

Epoch 2004 July 14.0 TT = JDT 2453200.5
T 2004 July 10.8283 TT                                  Nakano
q   5.723578             (2000.0)            P               Q
n   0.0672626      Peri.   48.9562      +0.9921460      -0.0356422
a   5.988072       Node   312.7156      -0.0284829      +0.8689890
e   0.044170       Incl.    9.3921      +0.1217995      +0.4935462
P  14.7
From 1941 observations 1902-2001, mean residual 0".9.

2008 Jan 16.83 29P in outburst

Evolution de la magnitude nucleaire (sursaut de fin Déc-07 Jan 08)

0029P 20060922.17 5.437 5.842 9.350 Vu 15.32 023561 0005903 00069 tyc A77[0] T23721023 (11.8)

0029P 20060922.17 5.437 5.842 9.350 Vu 14.79 028273 0007992 00090 tyc A77[0]

0029P 2453792.32008 6.224 5.792 8.510 Vu 13.45 578766 0001731 00020 TYC A77[0] T1213133
0029P 2453792.32008 6.224 5.792 8.510 Vu 13.67 434074 0001880 00023 TYC A77[0] T1213133
0029P 2453792.32008 6.224 5.792 8.510 Vu 13.89 289383 0002302 00029 TYC A77[0] T1213133
0029P 2453792.32008 6.224 5.792 8.510 Vu 14.26 202568 0002348 00031 TYC A77[0] T1213133
0029P 2453792.32008 6.224 5.792 8.510 Vu 14.62 144691 0002366 00033 TYC A77[0] T1213133
0029P 2453792.32008 6.224 5.792 8.510 Vu 15.35 086815 0002009 00034 TYC A77[0 T1213133

0029P 2453776.87707 5.994 5.788 9.400 Vu 15.99 025610 0003512 00038 TYC A77[0] T121296
0029P 2453776.87707 5.994 5.788 9.400 Vu 15.08 040976 0005078 00052 TYC A77[0] T121296
0029P 2453776.87707 5.994 5.788 9.400 Vu 14.80 051220 0005238 00054 TYC A77[0] T121296
0029P 2453776.87707 5.994 5.788 9.400 Vu 14.80 056342 0004762 00049 TYC A77[0] T121296
0029P 2453776.87707 5.994 5.788 9.400 Vu 14.59 061464 0005295 00054 TYC A77[0] T121296
0029P 2453776.87707 5.994 5.788 9.400 Vu 14.42 076830 0004963 00051 TYC A77[0] T121296

0029P 2453758.26970 5.697 5.784 9.800 Vu 14.06 529763 0000905 00091 TYC A77[0] T12121937
0029P 2453758.26970 5.697 5.784 9.800 Vu 14.34 397322 0000926 00093 TYC A77[0] T12121937
0029P 2453758.26970 5.697 5.784 9.800 Vu 14.61 264881 0001089 00109 TYC A77[0] T12121937
0029P 2453758.26970 5.697 5.784 9.800 Vu 14.77 211905 0001171 00118 TYC A77[0] T12121937
0029P 2453758.26970 5.697 5.784 9.800 Vu 15.39 132441 0001060 00107 TYC A77[0] T12121937
0029P 2453758.26970 5.697 5.784 9.800 Vu 16.20 079464 0000841 00086 TYC A77[0] T12121937

0029P 2453746.24275 5.504 5.782 9.590 Vu 15.35 070540 0001923 00031 TYC A77[0] T12111133
0029P 2453746.24275 5.504 5.782 9.590 Vu 15.53 056432 0002040 00034 TYC A77[0] T12111133
0029P 2453746.24275 5.504 5.782 9.590 Vu 15.70 047026 0002099 00037 TYC A77[0] T12111133
0029P 2453746.24275 5.504 5.782 9.590 Vu 15.91 037621 0002166 00040 TYC A77[0] T12111133
0029P 2453746.24275 5.504 5.782 9.590 Vu 16.60 018811 0002291 00054 TYC A77[0] T12111133

0029P 2453681.42639 4.804 5.769 2.450 Vu 14.51 061576 0003626 01451 TYC A77[0] T17571927
0029P 2453681.42639 4.804 5.769 2.450 Vu 14.57 049261 0004296 01719 TYC A77[0] T17571927
0029P 2453681.42639 4.804 5.769 2.450 Vu 14.63 041051 0004869 01948 TYC A77[0] T17571927
0029P 2453681.42639 4.804 5.769 2.450 Vu 14.77 032841 0005363 02146 TYC A77[0] T17571927
0029P 2453681.42639 4.804 5.769 2.450 Vu 15.36 020525 0004962 01986 TYC A77[0] T17571927
0029P 2453681.42639 4.804 5.769 2.450 Vu 15.36 016420 0006203 02483 TYC A77[0] T17571927

En extrapolant les mesures ci-dessus, on peut voir que celle-ci sont concordantes avec celles du CARA;
Au repos le taux de production de poussières avoisine les 2000 cm. A remarquer la forte baisse caractéristique de 29P
juste avant un sursaut, à JJ 2453758.26970 (Jan 22) AfRho est descendu à environ 1000 cm...

Outburst : 07-12-31.84 5x60s T500 F=3

2008 Fév. 11.89 (image C.Rinner, T500F=3)

25x60s	coma = 4'	Le centre de la bulle se trouve maintenant à 16" du faux-noyau

2008 fév 23.82 exp = 9x120s coma 4' 23" le centre de la bulle se trouve à 18" du faux-noyau


Evolution de la magnitude nucleaire

graphe preparé avec : Comet for window

Sept. 2008 outburst

No filter 2.48"/pixel

GR = 25 (zoom x2)

029P 2009 Jan 05

pose : 3x120s dia = 5' m1 (50" radius) = 13.1


0029P         C2008 11 23.15265 08 20 48.01 +22 55 45.8          16.3 N      A77
pose : 7x120s dia = 8'


0029P         C2008 12 06.91404 08 18 30.06 +23 00 21.3          15.8 N      A77
pose : 24x120s dia = 6'

029P: 2008-12-17.91; Exp.1x120s; T500 F/3+ccd kai11k; No Filter;
Pixel size= 18.0µm [bin2] = 2.48" x 2.48"
Comp Star = (USNO(R) 08h13m28.550s +23°05'38.50'' 14.2
center: X=298.645 Y=350.739
Stars in the coma removed.
				coord. x1,x2,y1,y2
2.48				299	299	351	351
Arcsec dia	mag.	pix. (dia)	pix ®

14.88	14.96	6	3	296	302	348	354
24.8	14.34	10	5	294	304	346	356
74.4	13.17	30	15	284	314	336	366
124	12.47	50	25	274	324	326	376
248	11.67	100	50	249	349	301	401
372	11.25	150	75	224	374	276	426
496	11.00	200	100	199	399	251	451
620	11.60	250	125	174	424	226	476

X=298.645 Y=350.739

Cropped field : Stars in the coma are removed (AudeLa software)

2008/12/28.14 exp. 9x120s T500 F/3+ccd kai11k

Réduction 50%

Primary outburst dia coma around 400 pixel (10') élongated toward PA 290
Second outburst dia coma around 40 pixel (100")
The nucleus show à short tail in PA around 60

2009/01/05.04 exp.9x120s

Coma = 10x11' >>>


29P/Schwassmann-Wachmann:
2009 Sep. 27.19 UT: m1=12.2, Dia.=1.7', Tel 0.5-m F/3 + ccd kai11k,  600s bin2 (R filter).

1x120s

2009 Sep. 28.18 UT: m1= 12.4, Dia= 1.7', Tel 0.5-m F/3 + ccd kai11k, 1200s bin2
(No filter).Strong condensation 8" from nucleus in PA 18.

2009 Sep. 29.18 UT: m1= 12.3, Dia= 3', Tel 0.5-m F/3 + ccd kai11k, exp 120s bin2
(No filter). Stream (jet+condensation) in PA 346.
image plein format - full size (exp: 15x120s)

2009 Sep. 30.17 UT: m1= 12.4, Dia= 1.7', Tel 0.5-m F/3 + ccd kai11k, exp 120s bin2(No filter). Elongated in PA 305.
Image plein format - full size (exp: 13x120s)

2009-12-09.22 5x120s RGB mag. 16.1 (dia = 20")

2009-12-27.25 3x120s RGB.

Outburst 2010-04-16 (alerted by S.Garro) 9x120s magnitude = 12.3 (dia = 20")

Année 2011
29P/SW1 : Suivi photométrique - Campagne 2011

Ouverture utilisée pour la mesure de 29P = 25" (rayon = 5 pixels)
d'autres mesures sont aussi réalisées dans un rayon de 3 pixels, 10 et 15 pixels, mais non présentées ici.

Date	V	R	V-R
02.10-01-2011	16.74	16.21	0.526
16.08-01-2011	17.044	16.369	0.675
24.18-01-2011	15.368	14.596	0.772
25.21-01-2011	15.489	15.009	0.489
26.16-01-2011	15.703	15.364	0.339
06.20-02-2011	16.251	15.528	0.723
07.19-02-2011	16.641	15.934	0.707
22.91-03-2011	14.081	13.595	0.487
23.85-03-2011	14.103	13.687	0.416
26.86-03-2011	14.530	14.039	0.492
30.18-03-2011	13.945	13.517	0.427
08.83-04-2011	16.078	15.375	0.707
02.02-05-2011	16.811	15.932	0.879
03.85-05-2011	14.705	14.213	0.492
04.85-05-2011	14.706	14.221	0.485
05.87-05-2011	14.703	14.280	0.423
06.86-05-2011	14.762	14.189	0.573
08.86-05-2011	15.065	14.657	0.407

Les feuilles de calcul correspondantes : http://astrosurf.com/obsdauban/pages/29P/